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1.1 root 1: /*
2: * Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.
3: *
4: * File: mach/m98k/thread_status.h
5: * Author: Mike DeMoney, NeXT Computer, Inc.
6: *
7: * This include file defines the per-thread state
8: * for NeXT 98K-based products.
9: *
10: * HISTORY
11: * 5-Nov-92 Ben Fathi ([email protected])
12: * Ported to m98k.
13: *
14: * 23-Jan-91 Mike DeMoney ([email protected])
15: * Created.
16: */
17:
18: #ifndef _MACH_M98K_THREAD_STATUS_
19: #define _MACH_M98K_THREAD_STATUS_
20:
21: #import <architecture/nrw/reg_help.h>
22: #import <architecture/m98k/basic_regs.h>
23: #import <architecture/m98k/m98601_regs.h>
24: #import <architecture/m98k/fp_regs.h>
25:
26: /**************************************************************************
27: * Data Typedefs used by thread_getstatus() and thread_setstatus() *
28: **************************************************************************/
29:
30: #define M98K_THREAD_STATE_GRF (1) // general registers
31: #define M98K_THREAD_STATE_FPF (2) // fp registers
32: #define M98K_THREAD_STATE_USER (3) // non-architectural user state
33: #define M98601_THREAD_STATE_IMPL (4) // 98601 impl specific
34:
35: #define M98K_THREAD_STATE_MAXFLAVOR (M98601_THREAD_STATE_IMPL)
36:
37: /*
38: * m98k_thread_state_grf -- basic thread state for NeXT 98K-based products
39: */
40: typedef struct _m98k_thread_state_grf {
41: unsigned r0; // zt (not for mem ref): caller-saved
42: unsigned r1; // sp (stack pointer): callee-saved
43: unsigned r2; // toc (tbl of contents): callee saved
44: unsigned r3; // a0 (arg 0, retval 0): caller saved
45: unsigned r4; // a1
46: unsigned r5; // a2
47: unsigned r6; // a3
48: unsigned r7; // a4
49: unsigned r8; // a5
50: unsigned r9; // a6
51: unsigned r10; // a7
52: unsigned r11; // ep (environment ptr): caller saved
53: unsigned r12; // at (assembler temp): caller saved
54: unsigned r13; // s17: callee saved
55: unsigned r14; // s16
56: unsigned r15; // s15
57: unsigned r16; // s14
58: unsigned r17; // s13
59: unsigned r18; // s12
60: unsigned r19; // s11
61: unsigned r20; // s10
62: unsigned r21; // s9
63: unsigned r22; // s8
64: unsigned r23; // s7
65: unsigned r24; // s6
66: unsigned r25; // s5
67: unsigned r26; // s4
68: unsigned r27; // s3
69: unsigned r28; // s2
70: unsigned r29; // s1
71: unsigned r30; // s0
72: unsigned r31; // fp (frame pointer): callee saved
73: unsigned lr; // link register
74: unsigned ctr; // count register
75: cr_t cr; // condition register
76: xer_t xer; // fixed point exception register
77: msr_t msr; // machine state register
78: unsigned cia; // current instruction address
79: } m98k_thread_state_grf_t;
80:
81: #define M98K_THREAD_STATE_GRF_COUNT \
82: (sizeof(m98k_thread_state_grf_t)/sizeof(int))
83:
84: /*
85: * m98k_thread_state_fpf -- floating point register file contents and
86: * floating point control registers for NeXT 98K-based products.
87: */
88: typedef struct _m98k_thread_state_fpf {
89: m98k_fpf_t f0; // ft0 (scratch register): caller-saved
90: m98k_fpf_t f1; // fa0 (fp arg 0): caller-saved
91: m98k_fpf_t f2; // fa1
92: m98k_fpf_t f3; // fa2
93: m98k_fpf_t f4; // fa3
94: m98k_fpf_t f5; // fa4
95: m98k_fpf_t f6; // fa5
96: m98k_fpf_t f7; // fa6
97: m98k_fpf_t f8; // fa7
98: m98k_fpf_t f9; // fa8
99: m98k_fpf_t f10; // fa9
100: m98k_fpf_t f11; // fa10
101: m98k_fpf_t f12; // fa11
102: m98k_fpf_t f13; // fa12
103: m98k_fpf_t f14; // fs17: callee-saved
104: m98k_fpf_t f15; // fs16
105: m98k_fpf_t f16; // fs15
106: m98k_fpf_t f17; // fs14
107: m98k_fpf_t f18; // fs13
108: m98k_fpf_t f19; // fs12
109: m98k_fpf_t f20; // fs11
110: m98k_fpf_t f21; // fs10
111: m98k_fpf_t f22; // fs9
112: m98k_fpf_t f23; // fs8
113: m98k_fpf_t f24; // fs7
114: m98k_fpf_t f25; // fs6
115: m98k_fpf_t f26; // fs5
116: m98k_fpf_t f27; // fs4
117: m98k_fpf_t f28; // fs3
118: m98k_fpf_t f29; // fs2
119: m98k_fpf_t f30; // fs1
120: m98k_fpf_t f31; // fs0
121: m98k_fp_scr_t fpscr; // fp status and control register
122: } m98k_thread_state_fpf_t;
123:
124: #define M98K_THREAD_STATE_FPF_COUNT \
125: (sizeof(m98k_thread_state_fpf_t)/sizeof(int))
126:
127: typedef struct _m98k_thread_state_user {
128: int user; // user register (for cthreads)
129: } m98k_thread_state_user_t;
130:
131: #define M98K_THREAD_STATE_USER_COUNT \
132: (sizeof(m98k_thread_state_user_t)/sizeof(int))
133:
134: /*
135: * Motorola 98601 specific state
136: * (Can't count on this being in all m98k implementations.)
137: */
138:
139: /*
140: * A complete Data Breakpoint spec
141: */
142: typedef struct {
143: m98601_data_bp_addr_t addr;
144: m98601_data_bp_mode_t mode;
145: } m98601_data_bp_t;
146:
147: /*
148: * m98601_thread_state_impl -- 98601 implementation-specific
149: * control registers for NeXT 98K-based products.
150: */
151: typedef struct _m98601_thread_state_impl {
152: /*
153: * Certain of the 98601 msr bits may be modified
154: */
155: msr_t msr; // machine status
156: unsigned mq; // multiply quotient register
157: m98601_data_bp_t data_bp[M98601_N_DATA_BP];
158: } m98601_thread_state_impl_t;
159:
160: #define M98601_THREAD_STATE_IMPL_COUNT \
161: (sizeof(m98601_thread_state_impl_t)/sizeof(int))
162:
163: #endif _MACH_M98K_THREAD_STATUS_
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